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What is the ratio of mass of an electron to the mass of
a proton -
(a) 1 : 2 (b) 1 : 1
(c) 1 : 1837 (d) 1 : 3

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SSC Other Question

Cathode rays are made up of -
(a) Positively charged particles
(b) Negatively charged particles
(c) Neutral particles
(d) None of these Anode rays were discovered by -
(a) Goldstein (b) J. Stoney
(c) Rutherford (d) J.J. Thomson